VgVisualDoc ReadSvgFile(string filename)
{
string svgContent = System.IO.File.ReadAllText(filename);
VgDocBuilder docBuidler = new VgDocBuilder();
SvgParser parser = new SvgParser(docBuidler);
WebLexer.TextSnapshot textSnapshot = new WebLexer.TextSnapshot(svgContent);
parser.ParseDocument(textSnapshot);
//TODO: review this step again
VgVisualDocBuilder builder = new VgVisualDocBuilder();
return(builder.CreateVgVisualDoc(docBuidler.ResultDocument, _vgVisualDocHost));
}
public static VgVisualElement CreateVgVisualElemFromSvgContent(string svgContent)
{
VgDocBuilder docBuidler = new VgDocBuilder();
SvgParser parser = new SvgParser(docBuidler);
WebLexer.TextSnapshot textSnapshot = new WebLexer.TextSnapshot(svgContent);
parser.ParseDocument(textSnapshot);//start document parsing
//TODO: review this step again
VgVisualDocBuilder builder = new VgVisualDocBuilder();
VgDocument svgDoc = docBuidler.ResultDocument;
//optional
svgDoc.OriginalContent = svgContent;
//-------------------------------------------------------------
VgVisualElement vgVisRootElem = builder.CreateVgVisualDoc(svgDoc, null).VgRootElem;
//
vgVisRootElem.OwnerDocument = svgDoc;//tmp
return(vgVisRootElem);
}
protected override void OnStartDemo(SampleViewport viewport)
{
PaintLab.Svg.SvgParser parser = new SvgParser();
_backBoard = new BackDrawBoardUI(400, 400);
_backBoard.BackColor = Color.White;
viewport.AddContent(_backBoard);
box1 = new LayoutFarm.CustomWidgets.SimpleBox(50, 50);
box1.BackColor = Color.Red;
box1.SetLocation(10, 10);
//box1.dbugTag = 1;
SetupActiveBoxProperties(box1);
_backBoard.AddChild(box1);
//----------------------
//load lion svg
string file = @"d:\\WImageTest\\lion.svg";
string svgContent = System.IO.File.ReadAllText(file);
WebLexer.TextSnapshot textSnapshot = new WebLexer.TextSnapshot(svgContent);
parser.ParseDocument(textSnapshot);
//
SvgRenderVx svgRenderVx = parser.GetResultAsRenderVx();
var uiSprite = new UISprite(10, 10);
uiSprite.LoadSvg(svgRenderVx);
_backBoard.AddChild(uiSprite);
//--------
rectBoxController.Init();
//------------
viewport.AddContent(rectBoxController);
//foreach (var ui in rectBoxController.GetControllerIter())
//{
// viewport.AddContent(ui);
//}
//--------
var evListener = new GeneralEventListener();
uiSprite.AttachExternalEventListener(evListener);
evListener.MouseDown += (e) =>
{
//e.MouseCursorStyle = MouseCursorStyle.Pointer;
////--------------------------------------------
//e.SetMouseCapture(rectBoxController.ControllerBoxMain);
rectBoxController.UpdateControllerBoxes(box1);
rectBoxController.Focus();
//System.Console.WriteLine("click :" + (count++));
};
rectBoxController.ControllerBoxMain.KeyDown += (s1, e1) =>
{
if (e1.Ctrl && e1.KeyCode == UIKeys.X)
{
//test copy back image buffer from current rect area
#if DEBUG
//test save some area
int w = rectBoxController.ControllerBoxMain.Width;
int h = rectBoxController.ControllerBoxMain.Height;
using (DrawBoard gdiDrawBoard = DrawBoardCreator.CreateNewDrawBoard(1, w, h))
{
gdiDrawBoard.OffsetCanvasOrigin(rectBoxController.ControllerBoxMain.Left, rectBoxController.ControllerBoxMain.Top);
_backBoard.CurrentPrimaryRenderElement.CustomDrawToThisCanvas(gdiDrawBoard, new Rectangle(0, 0, w, h));
var img2 = new ActualImage(w, h);
//copy content from drawboard to target image and save
gdiDrawBoard.RenderTo(img2, 0, 0, w, h);
img2.dbugSaveToPngFile("d:\\WImageTest\\ddd001.png");
}
#endif
}
};
}
public override void Analyze(TextSnapshot textSnapshot)
{
#if DEBUG
dbug_OnStartAnalyze();
#endif
this.textSnapshot = textSnapshot;
char[] sourceBuffer = TextSnapshot.UnsafeGetInternalBuffer(textSnapshot);
int lim = sourceBuffer.Length;
char strEscapeChar = '"';
int currentState = 0;
//-----------------------------
for (int i = 0; i < lim; i++)
{
char c = sourceBuffer[i];
#if DEBUG
dbug_currentLineCharIndex++;
dbugReportChar(c, currentState);
#endif
switch (currentState)
{
default:
{
//???
}
break;
case 0: //from content mode
{
if (c == '<')
{
//flush existing content
//switch to content tag mode
FlushExisingBuffer(i, HtmlLexerEvent.FromContentPart);
currentState = 1;
//not need whitespace in this mode
}
else
{
//in content mode
AppendBuffer(c, i);
}
}
break;
case 1:
{
//after open angle
switch (c)
{
case '!':
{
currentState = 11;
}
break;
case '?':
{
//process instruction
currentState = 8;
}
break;
case ':':
{
//shold not occurs
currentState = 4;
}
break;
case '/':
{
//close tag
RaiseStateChanged(HtmlLexerEvent.VisitOpenSlashAngle, i, 1);
currentState = 5; //collect node name
}
break;
default:
{
currentState = 5;
//clear prev buffer
//then start collect node name
AppendBuffer(c, i);
}
break;
}
}
break;
case 2:
{
//inside comment node
if (c == '-')
{
if (i < lim - 2)
{
if (sourceBuffer[i + 1] == '-' && sourceBuffer[i + 2] == '>')
{
//end comment node
FlushExisingBuffer(i, HtmlLexerEvent.CommentContent);
i += 2;
currentState = 0;
continue;
}
}
}
//skip all comment content ?
AppendBuffer(c, i);
}
break;
case 5:
{
//inside open angle
//name collecting
//terminate with...
switch (c)
{
case '/':
{
currentState = 7;
}
break;
case '>':
{
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
RaiseStateChanged(HtmlLexerEvent.VisitCloseAngle, i, 1);
//flush
currentState = 0;
//goto content mode
}
break;
case ':':
{
//flush node name
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
//start new node name
}
break;
case ' ':
{
//flush node name
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
}
break;
case '=':
{
//flush name
FlushExisingBuffer(i, HtmlLexerEvent.Attribute);
RaiseStateChanged(HtmlLexerEvent.VisitAttrAssign, i, 1);
//start collect value of attr
}
break;
case '"':
{
//start string escap with "
currentState = 6;
strEscapeChar = '"';
}
break;
case '\'':
{
//start string escap with '
currentState = 6;
strEscapeChar = '\'';
}
break;
default:
{
//else collect
//flush nodename
if (char.IsWhiteSpace(c))
{
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
}
else
{
AppendBuffer(c, i);
}
}
break;
}
}
break;
case 6:
{
//collect string
if (c == strEscapeChar)
{
//stop string escape
//flush
FlushExisingBuffer(i, HtmlLexerEvent.AttributeValueAsLiteralString);
currentState = 5;
}
else
{
AppendBuffer(c, i);
}
}
break;
case 7:
{
//after / //must be >
if (c == '>')
{
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
RaiseStateChanged(HtmlLexerEvent.VisitCloseSlashAngle, i, 1);
currentState = 0;
}
else
{
//error ?
}
}
break;
case 10:
{
//unknown tag
//exit from this tag when found >
if (c == '>')
{
currentState = 0;
}
}
break;
case 11:
{
//open_angle, exlcimation
switch (c)
{
case '-':
{
//looking for next char
if (i < lim)
{
if (sourceBuffer[i + 1] == '-')
{
currentState = 2;
continue;
}
else
{
//unknown tag?
currentState = 10;
}
}
}
break;
case '[':
{
// <![
//
currentState = 10; //not implement,just skip
}
break;
default:
{
//doc type?
if (char.IsLetter(sourceBuffer[i + 1]))
{
RaiseStateChanged(HtmlLexerEvent.VisitOpenAngleExclimation, i, 2);
AppendBuffer(c, i);
currentState = 5;
}
else
{
currentState = 10; //not implement, just skip
}
}
break;
}
}
break;
}
}
#if DEBUG
dbug_OnFinishAnalyze();
#endif
}
/// <summary>
/// parse to htmldom
/// </summary>
/// <param name="stbuilder"></param>
internal void Parse(TextSnapshot textSnapshot, WebDocument htmldoc, DomElement currentNode)
{
this.textSnapshot = textSnapshot;
//1. lex
lexer.BeginLex();
//2. mini parser
this.curHtmlNode = currentNode;
this._resultHtmlDoc = htmldoc;
lexer.Analyze(textSnapshot);
lexer.EndLex();
}
public void ResetParser()
{
this._resultHtmlDoc = null;
this.openEltStack.Clear();
this.curHtmlNode = null;
this.curAttr = null;
this.curTextNode = null;
this.parseState = 0;
this.textSnapshot = null;
}
public static char[] DecodeHtml(TextSnapshot source, int startIndex, int decLength)
{
return DecodeHtml(TextSnapshot.UnsafeGetInternalBuffer(source), startIndex, decLength);
}
//--------------
public static char[] UnsafeGetInternalBuffer(TextSnapshot snap)
{
return(snap.textBuffer);
}
//--------------
public static char[] UnsafeGetInternalBuffer(TextSnapshot snap)
{
return snap.textBuffer;
}
public void Analyze(TextSnapshot textSnapshot)
{
#if DEBUG
dbug_OnStartAnalyze();
#endif
this.textSnapshot = textSnapshot;
char[] sourceBuffer = TextSnapshot.UnsafeGetInternalBuffer(textSnapshot);
int lim = sourceBuffer.Length;
char strEscapeChar = '"';
int currentState = 0;
//-----------------------------
for (int i = 0; i < lim; i++)
{
char c = sourceBuffer[i];
#if DEBUG
dbug_currentLineCharIndex++;
dbugReportChar(c, currentState);
#endif
switch (currentState)
{
default:
{
//???
} break;
case 0: //from content mode
{
if (c == '<')
{
//flush existing content
//switch to content tag mode
FlushExisingBuffer(i, HtmlLexerEvent.FromContentPart);
currentState = 1;
//not need whitespace in this mode
}
else
{
//in content mode
AppendBuffer(c, i);
}
} break;
case 1:
{
//after open angle
switch (c)
{
case '!':
{
currentState = 11;
} break;
case '?':
{
//process instruction
currentState = 8;
} break;
case ':':
{
//shold not occurs
currentState = 4;
} break;
case '/':
{
//close tag
LexStateChanged(HtmlLexerEvent.VisitOpenSlashAngle, i, 1);
currentState = 5;//collect node name
} break;
default:
{
currentState = 5;
//clear prev buffer
//then start collect node name
AppendBuffer(c, i);
} break;
}
} break;
case 2:
{
//inside comment node
if (c == '-')
{
if (i < lim - 2)
{
if (sourceBuffer[i + 1] == '-' && sourceBuffer[i + 2] == '>')
{
//end comment node
FlushExisingBuffer(i, HtmlLexerEvent.CommentContent);
i += 2;
currentState = 0;
continue;
}
}
}
//skip all comment content ?
AppendBuffer(c, i);
} break;
case 5:
{
//inside open angle
//name collecting
//terminate with...
switch (c)
{
case '/':
{
currentState = 7;
} break;
case '>':
{
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
LexStateChanged(HtmlLexerEvent.VisitCloseAngle, i, 1);
//flush
currentState = 0;
//goto content mode
} break;
case ':':
{
//flush node name
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
//start new node name
} break;
case ' ':
{
//flush node name
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
} break;
case '=':
{
//flush name
FlushExisingBuffer(i, HtmlLexerEvent.Attribute);
LexStateChanged(HtmlLexerEvent.VisitAttrAssign, i, 1);
//start collect value of attr
} break;
case '"':
{
//start string escap with "
currentState = 6;
strEscapeChar = '"';
} break;
case '\'':
{
//start string escap with '
currentState = 6;
strEscapeChar = '\'';
} break;
default:
{
//else collect
//flush nodename
if (char.IsWhiteSpace(c))
{
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
}
else
{
AppendBuffer(c, i);
}
} break;
}
} break;
case 6:
{
//collect string
if (c == strEscapeChar)
{
//stop string escape
//flush
FlushExisingBuffer(i, HtmlLexerEvent.AttributeValueAsLiteralString);
currentState = 5;
}
else
{
AppendBuffer(c, i);
}
} break;
case 7:
{
//after / //must be >
if (c == '>')
{
FlushExisingBuffer(i, HtmlLexerEvent.NodeNameOrAttribute);
LexStateChanged(HtmlLexerEvent.VisitCloseSlashAngle, i, 1);
currentState = 0;
}
else
{
//error ?
}
} break;
case 10:
{
//unknown tag
//exit from this tag when found >
if (c == '>')
{
currentState = 0;
}
} break;
case 11:
{
//open_angle, exlcimation
switch (c)
{
case '-':
{
//looking for next char
if (i < lim)
{
if (sourceBuffer[i + 1] == '-')
{
currentState = 2;
continue;
}
else
{
//unknown tag?
currentState = 10;
}
}
} break;
case '[':
{
// <![
//
currentState = 10;//not implement,just skip
} break;
default:
{
//doc type?
if (char.IsLetter(sourceBuffer[i + 1]))
{
LexStateChanged(HtmlLexerEvent.VisitOpenAngleExclimation, i, 2);
AppendBuffer(c, i);
currentState = 5;
}
else
{
currentState = 10;//not implement, just skip
}
} break;
}
} break;
}
}
#if DEBUG
dbug_OnFinishAnalyze();
#endif
}
public TextSource(char[] textBuffer)
{
this.actualSnapshot = new TextSnapshot(textBuffer);
}
public virtual void Analyze(TextSnapshot textSnapshot) { }
